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Sri Lanka climate charts

When is the best time to visit Sri Lanka? As a small country, the variation in monsoon seasons can be surprising. The southwest coast experiences monsoon rains between May and October, while the northeast monsoon occurs between October and December.

Generally though, the climate is consistently warm and sunny, and conditions rarely grow chilly.

Climate charts for cities and places within Sri Lanka

The below climate charts have been compiled by Weather2Travel.com. For an explanation to the various measurements, please read our climate notes.

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Ahungalla

  J F M A M J J A S O N D
Max temp (C)(F) 3086 3086 3188 3188 3086 3086 2984 2984 2984 2984 3086 3086
Min temp (C)(F) 2272 2272 2373 2475 2577 2577 2475 2475 2475 2373 2373 2272
Sunshine hours 8 8 9 8 6 6 6 6 6 6 7 7
Daylight hours 12 12 12 12 12 12 12 12 12 12 12 12
Rainfall (mm)(in) 894 1014 1345 25110 34914 2369 2098 1817 27011 36314 30512 1817
Rainy Days 5 5 8 12 12 13 10 10 12 14 14 10
Humidity E E E E E E E E E E E E
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E
Sea temp (C)(F) 2882 2882 2984 2984 2984 2882 2781 2781 2882 2882 2882 2882

Bentota

  J F M A M J J A S O N D
Max temp (C)(F) 3188 3188 3188 3290 3188 3086 3086 3086 3086 3086 3086 3086
Min temp (C)(F) 2272 2373 2475 2475 2577 2577 2577 2577 2577 2475 2373 2373
Sunshine hours 8 8 8 8 6 6 6 6 6 6 7 7
Daylight hours 12 12 12 12 12 12 12 12 12 12 12 12
Rainfall (mm)(in) 733 914 1426 25810 38815 2359 1807 1616 27011 37715 30912 1757
Rainy Days 5 5 8 12 13 14 10 10 13 15 14 10
Humidity H H H VH H H H H H H H H
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) 2882 2882 2984 3086 2984 2882 2781 2781 2781 2882 2882 2882

Beruwela

  J F M A M J J A S O N D
Max temp (C)(F) 3188 3188 3188 3290 3188 3086 3086 3086 3086 3086 3086 3086
Min temp (C)(F) 2272 2373 2475 2475 2577 2577 2577 2577 2577 2475 2373 2373
Sunshine hours 8 8 8 8 6 6 6 6 6 6 7 7
Daylight hours 12 12 12 12 12 12 12 12 12 12 12 12
Rainfall (mm)(in) 733 914 1426 25810 38815 2359 1807 1616 27011 37715 30912 1757
Rainy Days 5 5 8 13 13 14 11 10 13 15 14 10
Humidity H H H VH VH H H H H H H H
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) 2882 2882 2984 3086 2984 2882 2781 2781 2781 2882 2882 2882

Colombo

  J F M A M J J A S O N D
Max temp (C)(F) 3188 3188 3290 3290 3188 3086 3086 3086 3086 3086 3086 3086
Min temp (C)(F) 2272 2373 2475 2475 2577 2577 2577 2577 2577 2475 2373 2272
Sunshine hours 8 8 9 8 6 6 6 6 6 6 7 7
Daylight hours 12 12 12 12 12 13 12 12 12 12 12 12
Rainfall (mm)(in) 552 743 1365 25010 38215 1867 1245 1165 2369 37115 30612 1667
Rainy Days 5 5 8 14 14 15 11 11 14 16 15 10
Humidity H H VH VH VH H H H H H H H
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) 2882 2882 2984 3086 2984 2882 2781 2781 2781 2882 2882 2882

Dambulla

  J F M A M J J A S O N D
Max temp (C)(F) 2984 3188 3391 3391 3290 3188 3188 3188 3290 3188 3086 2984
Min temp (C)(F) 2068 2170 2272 2373 2475 2475 2475 2475 2373 2373 2272 2170
Sunshine hours 7 8 9 8 7 6 6 7 6 6 6 6
Daylight hours 12 12 12 12 13 13 13 12 12 12 12 12
Rainfall (mm)(in) 1365 803 964 1757 914 171 422 371 863 26410 26510 27911
Rainy Days 6 4 5 11 9 10 8 8 11 14 16 13
Humidity E E E E E E E E E E E E
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Galle

  J F M A M J J A S O N D
Max temp (C)(F) 2984 3086 3188 3188 3086 2984 2984 2984 2984 2984 2984 2984
Min temp (C)(F) 2272 2272 2373 2475 2577 2475 2475 2475 2475 2373 2272 2272
Sunshine hours 7 8 8 7 6 6 6 6 6 6 6 6
Daylight hours 12 12 12 12 12 12 12 12 12 12 12 12
Rainfall (mm)(in) 944 1004 1225 2349 30412 2078 2028 1737 24910 34013 29612 1817
Rainy Days 5 5 7 11 12 12 10 10 12 14 14 10
Humidity H H H H H H H H H H H H
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) 2882 2882 2984 3086 2984 2882 2882 2882 2882 2882 2882 2882

Habarana

  J F M A M J J A S O N D
Max temp (C)(F) 2882 3086 3290 3290 3290 3290 3290 3290 3290 3188 2984 2882
Min temp (C)(F) 2170 2170 2272 2373 2475 2475 2475 2475 2373 2373 2272 2170
Sunshine hours 7 8 9 8 7 6 6 7 6 6 6 6
Daylight hours 12 12 12 12 13 13 13 12 12 12 12 12
Rainfall (mm)(in) 1466 813 873 1446 783 90 432 392 934 24510 26711 32213
Rainy Days 6 4 4 8 7 6 6 5 8 13 15 13
Humidity E E E E E E E E E E E VH
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 10/VH
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Kandalama

  J F M A M J J A S O N D
Max temp (C)(F) 2882 3086 3290 3290 3290 3188 3188 3188 3188 3086 2984 2882
Min temp (C)(F) 2170 2170 2272 2373 2475 2475 2373 2373 2373 2272 2272 2170
Sunshine hours 7 8 9 8 7 6 6 7 6 6 6 6
Daylight hours 12 12 12 12 12 13 13 12 12 12 12 12
Rainfall (mm)(in) 1094 873 843 1697 974 552 703 713 994 26711 29812 25810
Rainy Days 5 5 6 11 8 8 8 8 9 14 15 13
Humidity E E E E E E E E E E E E
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Kandy

  J F M A M J J A S O N D
Max temp (C)(F) 2781 2984 3086 3086 2984 2781 2781 2882 2882 2882 2882 2781
Min temp (C)(F) 1864 1864 1966 2170 2170 2170 2170 2170 2068 2068 2068 1966
Sunshine hours 7 8 8 7 6 6 6 6 6 6 6 6
Daylight hours 12 12 12 12 12 13 12 12 12 12 12 12
Rainfall (mm)(in) 863 823 894 2138 1646 1185 1195 1165 1556 29712 30312 2118
Rainy Days 6 5 8 13 11 13 11 11 12 16 15 12
Humidity E E E E E E E E E E E E
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Minneriya National Park

  J F M A M J J A S O N D
Max temp (C)(F) 2882 3086 3290 3391 3290 3290 3290 3290 3290 3188 3086 2882
Min temp (C)(F) 2170 2170 2373 2475 2577 2475 2475 2475 2475 2373 2272 2272
Sunshine hours 7 8 9 8 7 6 6 7 6 6 6 6
Daylight hours 12 12 12 12 13 13 13 12 12 12 12 12
Rainfall (mm)(in) 1516 833 833 1225 713 70 502 422 984 2319 27011 33713
Rainy Days 6 4 4 8 7 6 6 5 8 13 15 13
Humidity E E E E E E E E E E E VH
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 10/VH
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Negombo

  J F M A M J J A S O N D
Max temp (C)(F) 3188 3290 3391 3391 3290 3188 3188 3188 3188 3188 3188 3086
Min temp (C)(F) 2272 2272 2373 2475 2577 2577 2577 2577 2577 2475 2373 2272
Sunshine hours 8 8 9 8 6 6 6 6 6 6 7 7
Daylight hours 12 12 12 12 12 13 12 12 12 12 12 12
Rainfall (mm)(in) 472 713 1285 24410 29812 1546 1034 873 1877 35114 29412 1536
Rainy Days 4 4 8 13 12 13 10 9 12 15 15 10
Humidity H H VH VH VH VH H H H H H H
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) 2781 2882 2984 3086 2984 2882 2781 2781 2781 2882 2882 2882

Nuwara Eliya

  J F M A M J J A S O N D
Max temp (C)(F) 2170 2272 2373 2373 2272 2068 2068 2068 2068 2170 2170 2068
Min temp (C)(F) 1050 1050 1152 1254 1457 1457 1457 1457 1355 1355 1254 1254
Sunshine hours 6 6 7 6 5 4 4 4 4 4 4 5
Daylight hours 12 12 12 12 12 13 12 12 12 12 12 12
Rainfall (mm)(in) 1074 904 863 1787 1616 1757 1586 1446 1626 25810 24410 2118
Rainy Days 8 7 8 13 13 15 16 15 15 17 17 15
Humidity N N N N N N N N N N N N
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Polonnaruwa

  J F M A M J J A S O N D
Max temp (C)(F) 2984 3188 3290 3391 3391 3391 3290 3290 3290 3188 3086 2984
Min temp (C)(F) 2373 2373 2475 2577 2577 2577 2577 2577 2475 2475 2373 2373
Sunshine hours 7 8 9 8 7 6 6 7 6 6 6 6
Daylight hours 12 12 12 12 13 13 13 12 12 12 12 12
Rainfall (mm)(in) 1506 1114 813 1295 803 482 683 743 944 24410 31813 32213
Rainy Days 6 5 6 9 7 7 7 7 8 14 15 14
Humidity E E E E E E E E E E E VH
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 10/VH
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Sigiriya

  J F M A M J J A S O N D
Max temp (C)(F) 2882 3086 3290 3290 3290 3188 3188 3188 3188 3086 2984 2882
Min temp (C)(F) 2170 2170 2272 2373 2475 2475 2373 2373 2373 2272 2272 2170
Sunshine hours 7 8 8 8 7 6 6 6 6 6 6 6
Daylight hours 12 12 12 12 12 13 13 12 12 12 12 12
Rainfall (mm)(in) 1094 873 843 1697 974 552 703 713 994 26711 29812 25810
Rainy Days 5 5 6 11 8 8 8 8 9 14 15 13
Humidity M H H VH VH H H H H H H M
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Sinharaja

  J F M A M J J A S O N D
Max temp (C)(F) 2781 2882 2984 2984 2882 2781 2781 2781 2781 2781 2781 2781
Min temp (C)(F) 1966 1966 1966 2068 2170 2170 2170 2170 2068 2068 1966 1966
Sunshine hours 7 8 8 7 6 6 6 6 6 6 6 6
Daylight hours 12 12 12 12 12 13 12 12 12 12 12 12
Rainfall (mm)(in) 1797 1626 27211 34514 37615 29712 1827 1887 2409 38515 43317 29211
Rainy Days 5 4 6 12 11 13 9 10 13 13 15 10
Humidity E E E E E E E E E E E E
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Uda Walawe National Park

  J F M A M J J A S O N D
Max temp (C)(F) 2984 3188 3188 3188 3188 3086 3188 3188 3086 3086 3086 2984
Min temp (C)(F) 2272 2272 2272 2373 2475 2475 2373 2373 2373 2373 2272 2272
Sunshine hours 7 8 8 7 6 6 6 6 6 6 6 6
Daylight hours 12 12 12 12 12 13 13 12 12 12 12 12
Rainfall (mm)(in) 763 833 1606 2209 1245 371 432 402 723 2349 29412 1677
Rainy Days 6 5 6 12 12 14 12 11 14 15 16 12
Humidity E E E E E E E E E E E E
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E
Sea temp (C)(F) N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A N/AN/A

Wadduwa

  J F M A M J J A S O N D
Max temp (C)(F) 3188 3188 3188 3290 3188 3086 3086 3086 3086 3086 3086 3086
Min temp (C)(F) 2272 2373 2475 2475 2577 2577 2577 2577 2577 2475 2373 2373
Sunshine hours 8 9 9 8 6 6 6 6 6 6 7 7
Daylight hours 12 12 12 12 12 13 12 12 12 12 12 12
Rainfall (mm)(in) 653 843 1416 25610 39315 2189 1566 1436 25810 37715 30912 1727
Rainy Days 5 5 8 13 14 15 11 11 14 16 15 10
Humidity E E E E E E E E E E E E
UV 11/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) 2882 2882 2984 2984 2984 2882 2781 2781 2882 2882 2882 2882

Yala National Park

  J F M A M J J A S O N D
Max temp (C)(F) 2984 3086 3188 3290 3188 3188 3188 3188 3086 3086 3086 2984
Min temp (C)(F) 2373 2373 2475 2577 2577 2577 2577 2577 2577 2475 2475 2373
Sunshine hours 7 8 8 8 6 6 6 6 6 6 6 6
Daylight hours 12 12 12 12 12 12 12 12 12 12 12 12
Rainfall (mm)(in) 1295 904 813 1155 803 472 462 632 813 1837 2419 2289
Rainy Days 6 4 5 9 8 7 6 8 9 12 14 11
Humidity H H H VH VH VH VH VH VH H H H
UV 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11+/E 11/E 11/E
Sea temp (C)(F) 2882 2882 2984 3086 2984 2984 2882 2882 2882 2882 2984 2882